LG LAS855M - Power Block Diagram

2-362-35
TAS5612
LCD(Back Light),
TAS5612
PCM1808, LCD,
USB
MP1432
25 VA ˧ 12 V
BD2242G
3.5 VA ˧ 3.4 VA
MP1432
25 VA ˧ 3.4 VA
4386 mW
(5043 mW)
Calculated
Adapter
25VA
12 V
3.4 VA
3.4 VA
WLS_3.3V
25 VA
MICOM,BT,
EEPROM
MT8506
1.2 V
MP1432
25 VA ˧ 5.1 VA
WLS
5.1 VA
1000 mA
218 mA
120 mA
390 mA
RMS output
40/8 x 2 = 10 W, 5/8 x 16 = 20 W
Peak output
40 x 2 = 80 W, 5 x 16 = 80 W
Power Measurement condition: 20 W
1k 0dB Measurement condition: 160 W
Instantaneous peak condition : 160 W
400mA_RMS
3200mA_RMS Measurement condition
6400mA_8.3ms_Dynamic condition
1036mA_RMS
7036mA_Peak
AWG 24 4A
Alive VCC
Ctrl VCC
Efficiency values
SDRAM,FSH,
MT8506,NAND,
PCM1808,PS9860
769 mA
D_3.3V
50 mA
DDR, MT8506
1.5 V
350 mA
SN1406035RGER
5.1 VA → 1.2 V
5.1 VA → 1.5 V
670 mA
BD2242G
3.5 VA ˧ 3.4 VA
HDMI
BD2242G
5.1 VA ˧ 5 V
VCC_5V
HDMI_5VA
3350 mW
250 mW
1725 mW
(1811 mW)
720 mW
2539 mW
1287 mW
7834 mW
(8617 mW)
5324 mW
(5856 mW)
960 mW
(1056 mW)
mW
mW
(mW)
WIFI_3.3VA
Wi-Fi
930 mA
BD2242G
3.5 VA ˧ 3.4 VA
3255 mW
on AMP board
DCDC
LDO/SW
LCD,RMC
F_3.3VA
42.9 mW
13 mA
2. POWER BLOCK DIAGRAM